The Global Environment Facility (GEF) Municipal Solid Waste Management Project for China aims to build capacity and demonstrate best available techniques and best environmental practices in municipal solid waste incineration in accordance with the Stockholm... See More +The Global Environment Facility (GEF) Municipal Solid Waste Management Project for China aims to build capacity and demonstrate best available techniques and best environmental practices in municipal solid waste incineration in accordance with the Stockholm Convention by lowering dioxins and furans emissions from facilities. The assessment of the environmental impacts of four incinerators in Kunming (Konggang, Wuhua, Xishan, and Dongjiao) will establish favorable conditions for replicating project results more widely across China. In terms of the knowledge about the positive and negative impact of waste incineration, the positive impacts include relieving the pressure of municipal solid waste disposal, improving the urban sanitary condition, and improving living environment. The negative impacts impacts include discharging toxic gas from waste incineration, generating dust and affecting living quality. Negative impacts on the environment also affect air pollution, dust, water quality, soil erosion, drainage, waste management, and loss of ecology. Mitigation measures include: disposal measures for acid and alkaline wastewater, cooling sewage and other industrial wastewater shall be reasonable and feasible; back-spraying shall be preferred in treatment of waste leachate, and drainage shall meet the requirements of relevant state and local emission standards if back-spraying is not feasible, and emergent collecting pool of waste leachate with sufficient capacity shall be installed; sludge or concentrated solution shall be independently burned in plants without outbound transport for disposal; construction style and overall saturation of incineration plants of municipal solid wastes shall be in consistent with their surrounding environment. Proposed physical activities under the project are primarily equipment enhancement of air pollution control facilities of existing MSW incinerators in Kunming. Key environmental issues identified are associated with incinerator operation: including air emissions control, solid waste management, wastewater management, and environmental risks. Due to the nature of the project and risk level of potential environmental impacts, the project is categorized as Category A for environmental purposes as per OP4.01/BP4.01 Environmental Assessment.
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